The Bowen family is looking to rent a large truck for their upcoming move. With Regan's Moving, they would pay $70 for the first day plus $3 per
additional day. With Wildgrove Rent-a-Truck, in comparison, the family
would pay $10 for the first day plus $9 per additional day. Before deciding
on which company to use, Mrs. Bowen wants to find out what number of
additional days would make the two choices equivalent with regards to
cost. How many additional days would that be? Solve by graphing.